3.5 BASIC ATOMIC THEORY REVIEW EXERCISES
1. What is an atom?
2. State the characteristics of an atom.
3. How do atoms of different elements differ?
4. List ten elements.
5. Define the following: Molecule, element and compound.
6. Deduce electronic configuration and draw the atomic structure of a neutral atom whose atomic number is 14 with 14 neutrons.
7. What is the principal characteristic of good conductors of electricity?
8. List four good conductors, starting with the best.
9. Explain the meaning of the term "poor conductor" and give five examples of such materials.
10. How do insulators differ from the conductors of electricity?
11. What are the characteristics of a pure semi-conductor?
12. Name the two most common semi-conductor materials and state their main applications in industry.
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